Climateby Month

Honolulu vs Hilo weather

Honolulu, HI and Hilo, HI · 210 mi apart

July highs: 88°F in Honolulu, 83°F in Hilo (Honolulu is 5°F warmer). January highs: 81°F and 79°F (Honolulu is 2°F warmer). Honolulu has about 89 wet days a year, Hilo about 273. Muggy days: about 212 a year in Honolulu, about 233 in Hilo.

Honolulu, HI

60°70°80°90° January: normal high 81°F (27°C), low 67°F (19°C) 81° 67° February: normal high 81°F (27°C), low 67°F (19°C) March: normal high 81°F (27°C), low 68°F (20°C) April: normal high 83°F (28°C), low 70°F (21°C) May: normal high 85°F (29°C), low 72°F (22°C) June: normal high 87°F (31°C), low 74°F (23°C) July: normal high 88°F (31°C), low 75°F (24°C) August: normal high 89°F (32°C), low 76°F (24°C) 89° 76° September: normal high 88°F (31°C), low 75°F (24°C) October: normal high 87°F (31°C), low 74°F (23°C) November: normal high 84°F (29°C), low 72°F (22°C) December: normal high 82°F (28°C), low 69°F (21°C) JFMAMJJASOND

Best months: February, March, June

Hilo, HI

60°70°80°90° January: normal high 79°F (26°C), low 64°F (18°C) February: normal high 78°F (26°C), low 64°F (18°C) 78° 64° March: normal high 79°F (26°C), low 65°F (18°C) April: normal high 79°F (26°C), low 66°F (19°C) May: normal high 81°F (27°C), low 67°F (19°C) June: normal high 82°F (28°C), low 69°F (21°C) July: normal high 83°F (28°C), low 70°F (21°C) 83° 70° August: normal high 83°F (28°C), low 70°F (21°C) September: normal high 83°F (28°C), low 70°F (21°C) October: normal high 82°F (28°C), low 69°F (21°C) November: normal high 80°F (27°C), low 68°F (20°C) December: normal high 79°F (26°C), low 66°F (19°C) JFMAMJJASOND

Best months: January, February

Which city for what

  • Cooler summers: Hilo (July high 83°F vs July high 88°F)
  • Fewer wet days: Honolulu (89 a year vs 273 a year)
  • Less humid: Honolulu (212 muggy days vs 233 muggy days)

Listed only where the difference is at least 3°F in highs, 10 days a year or 3 in of snow.

Season by season

SeasonAvg high HonoluluAvg high HiloWet days HonoluluWet days Hilo
Winter (Dec-Feb)81°F79°F2455
Spring (Mar-May)83°F79°F2269
Summer (Jun-Aug)88°F83°F1979
Fall (Sep-Nov)86°F82°F2370

Side by side over a year

HonoluluHilo
Hot days (90°F+)322
Freezing nights00
Muggy days212233
Comfortable days1914
Precipitation16.4 in120.4 in
Snowfall0.0 in0.0 in
Frost datesfrost-freefrost-free
Daylight in June / December13.4 h / 10.9 h13.3 h / 11.0 h
Best monthsFebruary, March, JuneJanuary, February

Day counts from each city's daily records, 1991-2020. Comfortable days: highs 65-80°F and dew point under 60°F.

Month by month

MonthHigh HonoluluHigh HiloWet days HonoluluWet days Hilo
January81°F79°F816
February81°F78°F817
March81°F79°F922
April83°F79°F825
May85°F81°F623
June87°F82°F625
July88°F83°F727
August89°F83°F627
September88°F83°F723
October87°F82°F823
November84°F80°F923
December82°F79°F922

Both charts use the same temperature scale.

Where the numbers come from

  • Honolulu, HI: temperature from Honolulu Intl Airport (USW00022521), 4.7 mi WNW of the city center; precipitation from Honolulu Intl Airport (USW00022521). NOAA 1991-2020 normals and daily records.
  • Hilo, HI: temperature from Hilo Intl Airport (USW00021504), 2.2 mi E of the city center; precipitation from Hilo Intl Airport (USW00021504). NOAA 1991-2020 normals and daily records.

Every station for each city, including humidity and frost, is listed on the city page. Methodology.